Pension Plan (Tables)

9 Months Ended

Sep. 30, 2012

Components of Net Periodic Pension Expense Related to the Qualified and Non-Qualified Plans

The following table sets forth the components of net periodic pension expense related to the qualified and non-qualified plans for the three and nine months ended September 30, 2012 and 2011:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2012			2011			2012			2011
				(in thousands)
Service cost	$	1,964		$	1,483		$	5,892		$	4,609
Interest cost		1,599			1,518			4,795			4,567
Expected return on plan assets		(2,234	)		(1,674	)		(6,700	)		(5,004	)
Amortization of prior service cost		177			160			531			480
Amortization of actuarial loss		582			345			1,745			1,030
Total net periodic pension expense		2,088			1,832			6,263			5,682
Other changes in plan assets and benefit obligations recognized in other comprehensive income:
Amortization of prior service cost		(177	)		(160	)		(531	)		(480	)
Amortization of actuarial loss		(582	)		(345	)		(1,745	)		(1,030	)
		(759	)		(505	)		(2,276	)		(1,510	)
Total amount recognized in net periodic benefit cost and other comprehensive income (before tax)	$	1,329		$	1,327		$	3,987		$	4,172